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<a href="structEigen_1_1EigenBase-members.html">List of all members</a> &#124;
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<div class="title">Eigen::EigenBase&lt; Derived &gt; Class Template Reference<div class="ingroups"><a class="el" href="group__DenseMatrixManipulation__chapter.html">Dense matrix and array manipulation</a> &raquo; <a class="el" href="group__DenseMatrixManipulation__Reference.html">Reference</a> &raquo; <a class="el" href="group__Core__Module.html">Core module</a></div></div>  </div>
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<div class="textblock"><h3>template&lt;typename Derived&gt;<br />
class Eigen::EigenBase&lt; Derived &gt;</h3>

<p>Common base class for all classes T such that <a class="el" href="classEigen_1_1MatrixBase.html" title="Base class for all dense matrices, vectors, and expressions.">MatrixBase</a> has an operator=(T) and a constructor MatrixBase(T).</p>
<p>In other words, an <a class="el" href="structEigen_1_1EigenBase.html">EigenBase</a> object is an object that can be copied into a <a class="el" href="classEigen_1_1MatrixBase.html" title="Base class for all dense matrices, vectors, and expressions.">MatrixBase</a>.</p>
<p>Besides MatrixBase-derived classes, this also includes special matrix classes such as diagonal matrices, etc.</p>
<p>Notice that this class is trivial, it is only used to disambiguate overloaded functions.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="TopicClassHierarchy.html">The class hierarchy</a> </dd></dl>
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Public Types</h2></td></tr>
<tr class="memitem:a554f30542cc2316add4b1ea0a492ff02"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a></td></tr>
<tr class="memdesc:a554f30542cc2316add4b1ea0a492ff02"><td class="mdescLeft">&#160;</td><td class="mdescRight">The interface type of indices.  <a href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a2d768a9877f5f69f49432d447b552bfe"><td class="memItemLeft" align="right" valign="top">EIGEN_CONSTEXPR <a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#a2d768a9877f5f69f49432d447b552bfe">cols</a> () const EIGEN_NOEXCEPT</td></tr>
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<tr class="memitem:a1fbabe7f12bcbfba3b9a448b1f5e46fa"><td class="memItemLeft" align="right" valign="top">Derived &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#a1fbabe7f12bcbfba3b9a448b1f5e46fa">derived</a> ()</td></tr>
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<tr class="memitem:afd4f3f1c57b7594b96a7e30f2974ea2e"><td class="memItemLeft" align="right" valign="top">const Derived &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#afd4f3f1c57b7594b96a7e30f2974ea2e">derived</a> () const</td></tr>
<tr class="separator:afd4f3f1c57b7594b96a7e30f2974ea2e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac22eb0695d00edd7d4a3b2d0a98b81c2"><td class="memItemLeft" align="right" valign="top">EIGEN_CONSTEXPR <a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#ac22eb0695d00edd7d4a3b2d0a98b81c2">rows</a> () const EIGEN_NOEXCEPT</td></tr>
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<tr class="memitem:ae106171b6fefd3f7af108a8283de36c9"><td class="memItemLeft" align="right" valign="top">EIGEN_CONSTEXPR <a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structEigen_1_1EigenBase.html#ae106171b6fefd3f7af108a8283de36c9">size</a> () const EIGEN_NOEXCEPT</td></tr>
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<h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a554f30542cc2316add4b1ea0a492ff02"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a554f30542cc2316add4b1ea0a492ff02">&#9670;&nbsp;</a></span>Index</h2>

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template&lt;typename Derived &gt; </div>
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          <td class="memname">typedef <a class="el" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a> <a class="el" href="structEigen_1_1EigenBase.html">Eigen::EigenBase</a>&lt; Derived &gt;::<a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a></td>
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<p>The interface type of indices. </p>
<p>To change this, <code>#define</code> the preprocessor symbol <code>EIGEN_DEFAULT_DENSE_INDEX_TYPE</code>. </p><dl class="section see"><dt>See also</dt><dd>StorageIndex, <a class="el" href="TopicPreprocessorDirectives.html">Preprocessor directives</a>. DEPRECATED: Since <a class="el" href="namespaceEigen.html" title="Namespace containing all symbols from the Eigen library.">Eigen</a> 3.3, its usage is deprecated. Use <a class="el" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde" title="The Index type as used for the API.">Eigen::Index</a> instead. Deprecation is not marked with a doxygen comment because there are too many existing usages to add the deprecation attribute. </dd></dl>

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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a2d768a9877f5f69f49432d447b552bfe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2d768a9877f5f69f49432d447b552bfe">&#9670;&nbsp;</a></span>cols()</h2>

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template&lt;typename Derived &gt; </div>
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          <td class="memname">EIGEN_CONSTEXPR <a class="el" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> <a class="el" href="structEigen_1_1EigenBase.html">Eigen::EigenBase</a>&lt; Derived &gt;::cols </td>
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          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>the number of columns. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structEigen_1_1EigenBase.html#ac22eb0695d00edd7d4a3b2d0a98b81c2">rows()</a>, ColsAtCompileTime </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a1fbabe7f12bcbfba3b9a448b1f5e46fa">&#9670;&nbsp;</a></span>derived() <span class="overload">[1/2]</span></h2>

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<dl class="section return"><dt>Returns</dt><dd>a reference to the derived object </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#afd4f3f1c57b7594b96a7e30f2974ea2e">&#9670;&nbsp;</a></span>derived() <span class="overload">[2/2]</span></h2>

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<dl class="section return"><dt>Returns</dt><dd>a const reference to the derived object </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac22eb0695d00edd7d4a3b2d0a98b81c2">&#9670;&nbsp;</a></span>rows()</h2>

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template&lt;typename Derived &gt; </div>
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<dl class="section return"><dt>Returns</dt><dd>the number of rows. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structEigen_1_1EigenBase.html#a2d768a9877f5f69f49432d447b552bfe">cols()</a>, RowsAtCompileTime </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae106171b6fefd3f7af108a8283de36c9">&#9670;&nbsp;</a></span>size()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the number of coefficients, which is <a class="el" href="structEigen_1_1EigenBase.html#ac22eb0695d00edd7d4a3b2d0a98b81c2">rows()</a>*cols(). </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structEigen_1_1EigenBase.html#ac22eb0695d00edd7d4a3b2d0a98b81c2">rows()</a>, <a class="el" href="structEigen_1_1EigenBase.html#a2d768a9877f5f69f49432d447b552bfe">cols()</a>, SizeAtCompileTime. </dd></dl>

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